diff --git a/src/ball.c b/src/ball.c
index ea51626..7708558 100644
--- a/src/ball.c
+++ b/src/ball.c
@@ -12,6 +12,8 @@ Ball_init(int screen_width, int screen_height, int posX_start)
   *(int *)&b->BALL_WIDTH = 20;
   *(int *)&b->BALL_HEIGHT = 20;
   *(int *)&b->BALL_VELOCITY = 7;
+  *(int *)&b->BALL_ANGLE_MIN_OFFSET = 10;
+  *(int *)&b->BALL_ANGLE_MAX_OFFSET = 60;
   *(int *)&b->BALL_POSX_START = posX_start;
   *(int *)&b->SCREEN_WIDTH = screen_width;
   *(int *)&b->SCREEN_HEIGHT = screen_height;
@@ -24,8 +26,8 @@ Ball_reset(Ball *b, int direction) {
   // 120 deg angle with norm horizontal vector
   int angle;
   do {
-    angle = rand() % 60 + 60;
-  } while (angle == 90);
+    angle = rand() % b->BALL_ANGLE_MAX_OFFSET*2 + b->BALL_ANGLE_MAX_OFFSET/2 - 90;
+  } while (-b->BALL_ANGLE_MIN_OFFSET <= angle && angle <= b->BALL_ANGLE_MIN_OFFSET);
   if (direction < 0) {
     b->posX = b->BALL_POSX_START;
   }
@@ -33,8 +35,8 @@ Ball_reset(Ball *b, int direction) {
     b->posX = b->SCREEN_WIDTH - b->BALL_POSX_START;
   }
   b->posY = b->SCREEN_HEIGHT/2;
-  b->velX = direction * b->BALL_VELOCITY * cos(angle * 2 * M_PI / 180);
-  b->velY = b->BALL_VELOCITY * sin(angle * 2 * M_PI / 180);
+  b->velX = -direction * b->BALL_VELOCITY * cos(angle * M_PI / 180);
+  b->velY = b->BALL_VELOCITY * sin(angle * M_PI / 180);
 }
 
 void
diff --git a/src/ball.h b/src/ball.h
index cd9b40d..bb2dc5e 100644
--- a/src/ball.h
+++ b/src/ball.h
@@ -11,6 +11,8 @@ typedef struct Ball {
   const int BALL_HEIGHT;
   const int BALL_VELOCITY;
   const int BALL_POSX_START;
+  const int BALL_ANGLE_MIN_OFFSET;
+  const int BALL_ANGLE_MAX_OFFSET;
   const int SCREEN_WIDTH;
   const int SCREEN_HEIGHT;
   int posX;